Cities of Refuge…6otherwise the avenger of blood might pursue the manslayer in the heat of his anger, and overtake him, because the way is long, and take his life, though he was not deserving of death, since he had not hated him previously. 7"Therefore,I commandyou, saying,'You shall setasidethreecitiesfor yourself.'8"If the LORD your God enlarges your territory, just as He has sworn to your fathers, and gives you all the land which He promised to give your fathers--…

Deuteronomy 19:6otherwise the avenger of blood might pursue the manslayer in the heat of his anger, and overtake him, because the way is long, and take his life, though he was not deserving of death, since he had not hated him previously.

Deuteronomy 19:8"If the LORD your God enlarges your territory, just as He has sworn to your fathers, and gives you all the land which He promised to give your fathers--

Wherefore I command thee, saying, thou shalt separate three cities for thee. This was to be done immediately, as soon as they were settled in the land of Canaan, and established in the possession of it, the inhabitants being cut off, or driven out, or however subdued.

19:1-13 Here is the law settled between the blood of the murdered, and the blood of the murderer; provision is made, that the cities of refuge should be a protection, so that a man should not die for that as a crime, which was not his willing act. In Christ, the Lord our Righteousness, refuge is provided for those who by faith flee unto him. But there is no refuge in Jesus Christ for presumptuous sinners, who go on still in their trespasses. Those who flee to Christ from their sins, shall be safe in him, but not those who expect to be sheltered by him in their sins.